2551751941 has 2 divisors, whose sum is σ = 2551751942. Its totient is φ = 2551751940.

The previous prime is 2551751899. The next prime is 2551751957. The reversal of 2551751941 is 1491571552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402202916 + 1149549025 = 37446^2 + 33905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551751941 - 2¹³ = 2551743749 is a prime.

It is a super-2 number, since 2×2551751941² = 13022875936794534962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2551751894 and 2551751903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551751981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275875970 + 1275875971.

It is an arithmetic number, because the mean of its divisors is an integer number (1275875971).

Almost surely, 2^2551751941 is an apocalyptic number.

It is an amenable number.

2551751941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551751941 is an equidigital number, since it uses as much as digits as its factorization.

2551751941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 40.

The square root of 2551751941 is about 50514.8685141316. The cubic root of 2551751941 is about 1366.5100118345.

The spelling of 2551751941 in words is "two billion, five hundred fifty-one million, seven hundred fifty-one thousand, nine hundred forty-one".